#mySidenav a {
    position: fixed; /* Position them relative to the browser window */
    left: -80px; /* Position them outside of the screen */
    transition: 0.3s; /* Add transition on hover */
    padding: 15px; /* 15px padding */
    width: 120px; /* Set a specific width */
    text-decoration: none; /* Remove underline */
    font-size: 15px; /* Increase font size */
    color: white; /* White text color */
    border-radius: 0 5px 5px 0; /* Rounded corners on the top right and bottom right side */
  }
  
  #mySidenav a:hover {
    left: 0; /* On mouse-over, make the elements appear as they should */
  }
  
  /* The about link: 20px from the top with a green background */
  #燕麦{
    top: 60px;
    background-color: wheat;
  }
  
  #猪骨 {
    top: 120px;
    background-color: rgb(162, 238, 92); /* Blue */
  }
  
  #可乐 {
    top: 180px;
    background-color: #f06d64; /* Red */
  }
  
  #清蒸 {
    top: 240px;
    background-color: rgba(82, 72, 72, 0.24) /* Light Black */
  }

  #苹果{
    top: 300px;
    background-color: rgba(136, 41, 78, 0.24) /* Light Black */
  }

  p {
   
    text-indent:2em; padding:0px; margin:0px;
  }
  h4{
       font-family: 宋体;
    font-size: 16px;
  }
  
  h1{
      color: tomato;
  }